Merge pull request #3817 from LaoshuBaby/readme-translate-change

[rails.git] / db / migrate / 005_tile_tracepoints.rb

diff --git a/db/migrate/005_tile_tracepoints.rb b/db/migrate/005_tile_tracepoints.rb
index d9d782df0ac954aea49abcada732051e6a6e2de9..293b235c683d987bab338425697263c62df3cddc 100644 (file)
--- a/db/migrate/005_tile_tracepoints.rb
+++ b/db/migrate/005_tile_tracepoints.rb
@@ -1,14 +1,24 @@
-class TileTracepoints < ActiveRecord::Migration
+class TileTracepoints < ActiveRecord::Migration[4.2]
+  class Tracepoint < ApplicationRecord
+    self.table_name = "gps_points"
+  end
+
   def self.up
-    add_column "gps_points", "tile", :integer, :null => false, :options => "UNSIGNED"
+    add_column "gps_points", "tile", :bigint
     add_index "gps_points", ["tile"], :name => "points_tile_idx"
     remove_index "gps_points", :name => "points_idx"
 
-    Tracepoint.update_all("tile = tile_for_point(latitude, longitude)")
+    Tracepoint.all.each do |tp|
+      tp.latitude = tp.latitude * 10
+      tp.longitude = tp.longitude * 10
+      tp.save!
+    end
   end
 
   def self.down
-    add_index "gps_points", ["latitude", "longitude"], :name => "points_idx"
+    Tracepoint.update_all("latitude = latitude / 10, longitude = longitude / 10")
+
+    add_index "gps_points", %w[latitude longitude], :name => "points_idx"
     remove_index "gps_points", :name => "points_tile_idx"
     remove_column "gps_points", "tile"
   end